Sebastian Karlsson

Developer and Engineer

Companies I been involved with

Here are some companies I have worked for or been involved with in some way.

Codic

Programming Teacher

I am currently working as a programming teacher. I am teaching Linux, Python, Databases and other related subjects.

Duva

Web Developer

I worked as a web developer on small projects that often involved PHP and Wordpress.

Annevo

IT Consultant

I worked with various of different customers as an IT Consultant. The main technologies and tools I used here was Python, Javascript and C.

Knowit

IT Consultant

I worked with various of different customers as an IT Consultant. The main technologies and tools I used here was Javascript, Python, PHP + Wordpress, Java, Linux.

A secret startup

Full-stack Developer

As a Full-stack developer, I worked with a team developing a web and Mobile app.

I worked with technologies such as Javascript, React, Typescript, Firebase, Elastic Search.

RGNT Motorcycles

Developer and Engineer

For a short period of time, I helped develop the first speedometer using embedded programming and C.
I was also partially helping out with the hosting of their website.

Jula

Frontend Developer

For a short period of time, I was working as a frontend developer along with a team of backend developers to develop the new website for jula.se. The technologies used were Javascript and React.

EPC Groupe

Developer and Engineer

I was a part of a project where I worked very close with hardware. The technologies and tools used in this project was C, Python, Typescript.

KVD Bil

Backend Developer

As a Backend Developer, I wrote micro services in Python, that were deployed to a Kubernetes cluster.

Volvo

Programmer and Software tester

I wrote automated testing utilities for testing the software running on the infotainment systems inside the Volvo trucks. The main technology used here was Python.
Show source code
This website is written in my own templating language
{{
    CompanyArticle = (color, title, subtitle, content) => (@
        <article class="tile is-child notification {{ color }}">
            <p class="title">{{ title }}</p>
            <p class="subtitle">{{ subtitle }}</p>
            <div class="content">
                {{ content }}
            </div>
        </article>
    @)
}}


<div class="tile is-ancestor">
    <div class="tile">
        <div class="tile is-parent is-vertical">
            {{
                CompanyArticle (
                    "is-white box",
                    "Codic",
                    "Programming Teacher",
                    (@
                      I am currently working as a programming teacher.
                      I am teaching Linux, Python, Databases and other related subjects. 
                    @)
                )

                CompanyArticle (
                    "is-primary",
                    "Duva",
                    "Web Developer",
                    (@
                        I worked as a web developer on small projects that often
                        involved PHP and Wordpress.
                    @)
                )

                CompanyArticle (
                    "is-warning",
                    "Annevo",
                    "IT Consultant",
                    (@
                        I worked with various of different customers as an IT Consultant.
                        The main technologies and tools I used here was Python, Javascript and C.
                    @)
                )
            }}
        </div>
        <div class="tile is-parent is-vertical">
            {{
                CompanyArticle (
                    "is-info",
                    "Knowit",
                    "IT Consultant",
                    (@
                        I worked with various of different customers as an IT Consultant.
                        The main technologies and tools I used here was Javascript, Python,
                        PHP + Wordpress, Java, Linux.
                    @)
                )

                CompanyArticle (
                    "is-white has-background-info-light",
                    "A secret startup",
                    "Full-stack Developer",
                    (@
                      As a Full-stack developer, I worked with a team developing a web and Mobile app.<br/><br/>
                      I worked with technologies such as Javascript, React, Typescript, Firebase, Elastic Search.
                    @)
                )

                CompanyArticle (
                    "is-dark",
                    "RGNT Motorcycles",
                    "Developer and Engineer",
                    (@
                        For a short period of time, I helped develop the first speedometer
                        using embedded programming and C.<br/>
                        I was also partially helping out with the hosting of their website.
                    @)
                )
            }}
        </div> 
    </div>
    <div class="tile is-parent is-vertical">
        {{
            CompanyArticle (
                "has-background-danger-light",
                "Jula",
                "Frontend Developer",
                (@
                    For a short period of time, I was working as a frontend developer
                    along with a team of backend developers to develop the new website
                    for <i>jula.se</i>.
                    The technologies used were Javascript and React.
                @)
            )

            CompanyArticle (
                "is-danger",
                "EPC Groupe",
                "Developer and Engineer",
                (@
                    I was a part of a project where I worked very close with
                    hardware.
                    The technologies and tools used in this project was C, Python, Typescript.
                @)
            )

            CompanyArticle (
                "has-background-warning-light",
                "KVD Bil",
                "Backend Developer",
                (@
                    As a Backend Developer, I wrote micro services in Python,
                    that were deployed to a Kubernetes cluster.
                @)
            )

            CompanyArticle (
                "has-background-info-dark has-text-white",
                "Volvo",
                "Programmer and Software tester",
                (@
                    I wrote automated testing utilities for testing the software running
                    on the infotainment systems inside the Volvo trucks.
                    The main technology used here was Python.
                @)
            )
        }}
    </div>
</div>
<details>
    <summary>Show source code</summary>
    <div class="my-4">
        <i>This website is written in my own templating language</i>
    </div>
    <pre><code class="html">{{ escapehtml (cat ("src/companies.html")) }}</code></pre>
</details>
Ambitions
What are my ambitions?

My ambitions are to keep being a self-employed consultant.
I love tech, and I love helping other people with their technology, using technology.

a picture of me

Skills

Below are my top skills

python

95

javascript

79

C

80

C++

79

PHP

89

Typescript

79

Bash

79

SQL

60

CSS

81

HTML

90

SCSS

82

SEO

36

Java

60

React.js

70

Vue.js

50

Flask

90

MongoDB

69

Flutter

40

React Native

39

OpenGL

60

Linux

87

Kubernetes

20

Elastic Search

25

Firebase

59

Wordpress

86
Show source code
This website is written in my own templating language
<div class="columns is-mobile is-multiline">
    {{ 
        map (skills, (@
            <div class="column is-6-mobile is-2-desktop is-4-tablet">
                <div class="card">
                    <div class="card-content">
                        <section class='mb-4'>
                            <h2>{{ key ($0, 0) }}</h2>
                        </section>
                        <section>
                            <progress class="progress is-medium" value="{{ value ($0, 0) }}" max="100">{{ value ($0, 0) }}</progress>
                        </section>
                    </div>
                </div>
            </div>
        @))
    }}    
</div>
<details>
    <summary>Show source code</summary>
    <div class="my-4">
        <i>This website is written in my own templating language</i>
    </div>
    <pre><code class="html">{{ escapehtml (cat ("src/skills.html")) }}</code></pre>
</details>

Contact Me

(ianertson@gmail.com)
I typically respond within 24 hours